Home / 11,581.26-17,371.76-2,816.18

Finding the Fourth Proportional to 11,581.26, 17,371.76 and 2,816.18

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Solution

The fourth proportional to 11,581.26, 17,371.76 and 2,816.18 is: 4,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.26 : 17,371.76 = 2,816.18 : x
  2. Step 2: Convert to fraction form
    11,581.26/17,371.76 = 2,816.18/x
  3. Step 3: Cross multiply
    11,581.26x = 17,371.76 × 2,816.18
  4. Step 4: Simplify right side
    11,581.26x = 48,922,053.55
  5. Step 5: Solve for x
    x = 48,922,053.55/11,581.26
  6. Step 6: Final answer
    x = 4,224.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.